Decommissioning Trust Funds (Tables)

6 Months Ended

Jun. 30, 2016

Securities Held

The securities held as of June 30, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$3,283		$1,467		$1
Debt Securities	2,273		108		1
Total		$5,556		$1,575		$2

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2015
Equity Securities		$3,195		$1,396		$2
Debt Securities	2,155		41		17
Total		$5,350		$1,437		$19

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of June 30, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$24		$1		$84		$—
More than 12 months	1		—		33		1
Total		$25		$1		$117		$1

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$54		$2		$1,031		$15
More than 12 months	1		—		61		2
Total		$55		$2		$1,092		$17

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of June 30, 2016 and December 31, 2015 are as follows:

	2016		2015
	(In Millions)
less than 1 year		$73		$77
1 year - 5 years	839		857
5 years - 10 years	755		704
10 years - 15 years	152		124
15 years - 20 years	63		50
20 years+	391		343
Total		$2,273		$2,155

Entergy Arkansas [Member]

Securities Held

Entergy Arkansas holds debt and equity securities, classified as available-for-sale, in nuclear decommissioning trust accounts.  The securities held as of June 30, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$497.6		$246.3		$0.1
Debt Securities	305.2		12.1		0.1
Total		$802.8		$258.4		$0.2
2015
Equity Securities		$467.4		$234.4		$0.2
Debt Securities	303.9		4.1		2.2
Total		$771.3		$238.5		$2.4

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of June 30, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$4.5		$0.1		$18.2		$—
More than 12 months	—		—		1.6		0.1
Total		$4.5		$0.1		$19.8		$0.1

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$7.8		$0.2		$111.4		$1.7
More than 12 months	—		—		18.5		0.5
Total		$7.8		$0.2		$129.9		$2.2

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of June 30, 2016 and December 31, 2015 are as follows:

	2016		2015
	(In Millions)
less than 1 year		$5.4		$1.8
1 year - 5 years	119.9		145.2
5 years - 10 years	163.5		138.5
10 years - 15 years	9.7		2.4
15 years - 20 years	1.1		2.0
20 years+	5.6		14.0
Total		$305.2		$303.9

Entergy Louisiana [Member]

Securities Held

Entergy Louisiana holds debt and equity securities, classified as available-for-sale, in nuclear decommissioning trust accounts.  The securities held as of June 30, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$658.6		$300.4		$—
Debt Securities	436.2		24.7		0.3
Total		$1,094.8		$325.1		$0.3
2015
Equity Securities		$632.4		$283.7		$0.2
Debt Securities	409.9		13.2		2.4
Total		$1,042.3		$296.9		$2.6

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of June 30, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$1.6		$—		$3.7		$—
More than 12 months	0.8		—		6.8		0.3
Total		$2.4		$—		$10.5		$0.3

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$9.4		$0.2		$124.0		$2.0
More than 12 months	—		—		7.4		0.4
Total		$9.4		$0.2		$131.4		$2.4

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of June 30, 2016 and December 31, 2015 are as follows:

	2016		2015
	(In Millions)
less than 1 year		$18.9		$27.1
1 year - 5 years	115.0		124.0
5 years - 10 years	117.1		114.3
10 years - 15 years	51.8		39.3
15 years - 20 years	30.9		26.5
20 years+	102.5		78.7
Total		$436.2		$409.9

System Energy [Member]

Securities Held

System Energy holds debt and equity securities, classified as available-for-sale, in nuclear decommissioning trust accounts.  The securities held as of June 30, 2016 and December 31, 2015 are summarized as follows:

	Fair Value		Total Unrealized Gains		Total Unrealized Losses
	(In Millions)
2016
Equity Securities		$437.4		$190.0		$0.1
Debt Securities	303.7		8.4		0.1
Total		$741.1		$198.4		$0.2
2015
Equity Securities		$423.7		$179.2		$0.3
Debt Securities	277.8		2.2		2.3
Total		$701.5		$181.4		$2.6

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of June 30, 2016:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$1.0		$0.1		$20.2		$—
More than 12 months	—		—		1.1		0.1
Total		$1.0		$0.1		$21.3		$0.1

The fair value and gross unrealized losses of available-for-sale equity and debt securities, summarized by investment type and length of time that the securities have been in a continuous loss position, are as follows as of December 31, 2015:

	Equity Securities				Debt Securities
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
	(In Millions)
Less than 12 months		$8.3		$0.2		$200.4		$2.2
More than 12 months	0.9		0.1		5.0		0.1
Total		$9.2		$0.3		$205.4		$2.3

Fair Value Of Debt Securities By Contractual Maturities

The fair value of debt securities, summarized by contractual maturities, as of June 30, 2016 and December 31, 2015 are as follows:

	2016		2015
	(In Millions)
less than 1 year		$3.1		$2.0
1 year - 5 years	192.2		181.2
5 years - 10 years	75.6		63.0
10 years - 15 years	3.6		4.4
15 years - 20 years	1.5		1.6
20 years+	27.7		25.6
Total		$303.7		$277.8